Filter of water drinking device for pets



FIG. 1 is a front elevational view of a filter of water drinking device for pets showing my new

design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof;

FIG. 8 is a bottom perspective view thereof; and,

FIG. 9 is an enlarged view of portion 9 in FIG. 7. 

CLAIM The ornamental design for a filter of water drinking device for pets, as shown and described. 